As far as I can tell, I'm the only consciousness in existence, and "everything else" is just a product of my imagination in my little universe.
That paradigm is solipsism, and is not logically cogent.
Thanks! Put another way: my illogical conviction that I have consciousness, trumps logic. Does yours?
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I agree with you on consciousness and intelligence being emergent from basic physical properties...
Various things can exhibit intelligence in a mechanical sense. Algorithmic cleverness, speed, efficiency, maybe even the subjective appearance of creativity when trying to solve a problem. But how do you know consciousness exists in other beings? A sufficiently clever organic computer might trick you by spontaneously opening its eyes after sleeping like a human for 8 hours, whereas in fact it's a 'zombie'.